/Engine/Source/Editor/UnrealEd/Public/Editor.h
Delegate type for pre save world events ( UWorld* World,FObjectPreSaveContextObjectSaveContext )
typedef TMulticastDelegate_TwoParams< void, class [UWorld](API\Runtime\Engine\Engine\UWorld) *, [FObjectPreSaveContext](API\Runtime\CoreUObject\UObject\FObjectPreSaveContext) > FOnPreSaveWorldWithContext